Mathematics, 22.09.2021 06:40 ciya12
There are 6 black balls and 9 red balls in an urn. If 3 balls are drawn without replacement. What is the probability that exactly 1 black ball is drawn? Express your answe as a fraction or a decimal number rounded to decimal places
Answers: 3
Mathematics, 21.06.2019 17:20, garciavergaraana
Which of these equations, when solved, gives a different value of x than the other three? a9.1 = -0.2x + 10 b10 = 9.1 + 0.2x c10 – 0.2x = 9.1 d9.1 – 10 = 0.2x
Answers: 1
Mathematics, 21.06.2019 22:00, victordguerrero2535
Serena is making an experiment. for that, she needs 20 grams of a 52% solution of salt. she has two large bottles of salt water: one with 40% and the other with 70% of salt in them. how much of each must she use to make the solution she needs? i am in need of
Answers: 1
There are 6 black balls and 9 red balls in an urn. If 3 balls are drawn without replacement. What is...
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